Main SpecsFrame: Advanced-Grade Composite, 12X142Mm Thru-Axle, DiscFork: Advanced Sl-Grade Composite, Full-Composite Overdrive Aero Steerer, Stainless Steel Bearings 12X100Mm, DiscGroupsetDerailleur: Shimano Ultegra Di2 Fd-R8150Rear Derailleur: Shimano Ultegra Di2 Rd-R8150Shifters: Shimano Ultegra Di2 St-R8170Cranks: Shimano Ultegra, 34/50 With Giant Powerpro Power Meter Xxs:165Mm, Xs:165Mm, S:170Mm, M:170Mm, L:172.5MmCassette: Shimano Ultegra, 12-Speed, 11X34Front Brake: Shimano Ultegra Di2 Hydraulic, Shimano Rt-Cl800 Rotors [F]160Mm, [R]160MmRear Brake: Shimano Ultegra Di2 Hydraulic, Shimano Rt-Cl800 Rotors [F]160Mm, [R]160MmChain: Kmc X12Bottom Bracket: Shimano, Press FitWheelsRims: Giant Slr 1 36 Carbon Disc Wheelsystem, [F] 36Mm, [R] 36MmTires: Giant Gavia Fondo 0, Tubeless, 700X32C (33.5Mm), FoldingComponentsHandlebar: Liv Contact Slr D-Fuse, 31.8Mm, 8-Degree Flare Drop Xxs: 410/380Mm, Xs: 410/380Mm, S: 430/400Mm, M: 430/400Mm, L: 450/420MmStem: Giant Contact Sl Aerolight Xxs: 70Mm, Xs: 70Mm, S: 80Mm, M: 90Mm, L: 90MmSaddle: Liv Alacra SlSeatpost: Giant D-Fuse Slr, Composite, -5/+15Mm Offset Xxs: 350Mm, Xs: 350Mm, S: 350Mm, M: 350Mm, L: 350Mm